Computer Science MCQs (Set–29 | Level — Frontier Open Conjectures & Deep Structural Theory 😈🔥)

281. The statement “P ≠ NP” would immediately imply: A) NP ⊄ P B) No NP-Complete problem is solvable in polynomial time C) There exist problems verifiable but not efficiently solvable D) All of the above Answer: D) All of the above 282. The class coNP consists of languages whose complements are in: A) P B) NP C) PSPACE D) EXP Answer: B) NP 283. If PH collapses to level k, then: A) All higher levels equal Σₖ^P B) PSPACE collapses C) NP = PSPACE D) EXP collapses Answer: A) All higher levels equal Σₖ^P 284. The problem of graph isomorphism is currently known to be in: A) P (proven decades ago) B) NP-Complete C) Quasi-polynomial time D) PSPACE-Complete Answer: C) Quasi-polynomial time 285. The class #P deals with: A) Optimization problems B) Counting accepting paths C) Space-bounded computation D) Quantum proofs Answer: B) Counting accepting paths 286. If #P = FP (polynomial-time computable functions), then: A) P = NP B) PH collapses C) PSPACE = NP D) BQP = P Answer: B) PH collapses ...
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English Grammar MCQs – Set 49 (SSC / Banking / Railway | Super Drill)

 Choose the correct option 👇

Error Spotting (Q1–Q6)

1. One of the most important principle of life is honesty.
(a) One of the most
(b) important principle
(c) of life
(d) is honesty

2. He has been absent since five days due to illness.
(a) He has been absent
(b) since five days
(c) due to illness
(d) no error

3. Neither of the girls were present in the class.
(a) Neither
(b) of the girls
(c) were present
(d) in the class

4. She did not completed her homework on time.
(a) She did not
(b) completed
(c) her homework
(d) on time

5. The cost of all essential commodities have increased.
(a) The cost
(b) of all essential commodities
(c) have increased
(d) recently

6. No sooner had the rain started when the match was stopped.
(a) No sooner had
(b) the rain started
(c) when
(d) the match was stopped

Sentence Improvement (Q7–Q11)

7. He is senior than his brother in experience.
(a) senior to
(b) senior from
(c) senior than
(d) no improvement

8. She insisted to attend the meeting.
(a) insisted on attending
(b) insisted for attending
(c) insisted to attending
(d) no improvement

9. Hardly had I reached the office than the manager called me.
(a) when
(b) then
(c) that
(d) no improvement

10. He is one of the most honest man in the city.
(a) men
(b) man
(c) honest men
(d) no improvement

11. I have been knowing him for many years.
(a) know
(b) known
(c) knew
(d) no improvement

Cloze Test (Q12–Q15)

Passage:
Knowledge is power. A knowledgeable person can make better decisions ___(12) life. Those who lack knowledge often suffer ___(13) wrong choices. One should seek knowledge ___(14) continuously and share it ___(15) others.

12.
(a) in
(b) on
(c) at
(d) for

13.
(a) of
(b) from
(c) with
(d) by

14.
(a) for
(b) in
(c) on
(d) at

15.
(a) among
(b) with
(c) to
(d) by

Voice (Q16)

16. The gardener waters the plants daily.
Passive voice:
(a) The plants are watered by the gardener daily.
(b) The plants were watered by the gardener daily.
(c) The plants have been watered by the gardener daily.
(d) The plants is watered by the gardener daily.

Narration (Q17)

17. He said, “I will complete the work tomorrow.”
Indirect:
(a) He said that he will complete the work tomorrow.
(b) He said that he would complete the work the next day.
(c) He says that he would complete the work tomorrow.
(d) He said that I would complete the work tomorrow.

Idioms & Phrases (Q18)

18. “To hit the nail on the head” means:
(a) To do something wrong
(b) To describe exactly what is causing a situation
(c) To work carelessly
(d) To miss the point

Vocabulary (Q19)

19. Synonym of Vast:
(a) small
(b) limited
(c) enormous
(d) tiny

One-word Substitution (Q20)

20. A person who loves books:
(a) bibliophile
(b) philologist
(c) litterateur
(d) reader

✅ Answers

  1. (b) principle → principles

  2. (b) since five days → for five days

  3. (c) were present → was present

  4. (b) completed → complete

  5. (c) have increased → has increased

  6. (c) when → than

  7. (a) senior to

  8. (a) insisted on attending

  9. (a) when

  10. (a) men

  11. (b) known → have known

  12. (a) in

  13. (b) from

  14. (b) in

  15. (c) to

  16. (a) The plants are watered by the gardener daily

  17. (b)

  18. (b) To describe exactly what is causing a situation

  19. (c) enormous

  20. (a) bibliophile

➡️ Next SSC Grammar + Vocabulary + Cloze + Idioms Ultimate Exam Practice 📘🔥

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